Trolley.



PAfIENTED FEB. 21, 1905.

C. J. SOSENHEIMER.

TROLLEY.

APPLICATION FILED AUG. 11,1904.

INVENTOR W l TN 55555 @971? naw/4141! Patented February 21, 1905.

llniren STATES arnn'r @FFTQE.

CHARLES J. SOSENHEIMER, OF ALLEGHENY, PENNSYLVANIA, ASSIGNOR OFONE-FOURTH TO WILLIAM S. X. TAYLOR, OF ALLEGHENY, PENN- SYLVANIA.

SPECIFICATION forming part of Letters Patent No. 783,228, dated Febraary21, 1905.

Application filed August 11, 1904. Serial No. 220,361.

1'0 a, whom it may concern:

Be it known that I, OHARLns J. SosnN- HEIMER, a resident of Allegheny,in the county of Allegheny and State of Pennsylvania, have invented anew and useful Improvement in Trolleys; and I do hereby declare thefollowing to be a full, clear, and exact description thereof.

My invention relates to trolleys, and has special reference to such aform of trolley in which the wheel will be kept in contact with the wireat all times desired and will be prevented from jumping off while thecar is going around curves, &c.'

The object of my invention is to provide a simple, cheap, and effectivetrolley for this purpose, as well as one which will be strong anddurable and one in which no parts are in such position as would beliable to catch on the wire, &c.

My invention consists, generally stated, in the novel arrangement,construction, and combination of parts, as hereinafter more specificallyset forth and described, and particularly pointed out in the claims.

To enable others skilled in the art to which my invention appertains toconstruct and use my improved trolley, I will describe the same morefully, referring to the accompanying drawings, in Which- Figure 1 is aside elevation of the upper end of a trolley, showing my inventionapplied thereto. Fig. 2 is a rear elevation of the same. Fig. 3 is a topview of the trolley-pole socket. Fig. l is a bottom plan view of theharp. Fig. 5 is a detail view, partly in section, of the upper end ofthe socket and joint connection on the harp for engaging with saidsocket.

Like symbols herein indicate like parts in each of the figures of thedrawings.

As illustrated in the drawings, 1 represents the trolley-polesocket-piece, which is adapted to be connected at the lower end to thetrolleypole, (not shown,) while its upper end 2 is provided with theenlargement or head 2 thereon, having the vertical opening 3 through thesame to receive the vertical pin t on the lower end 5 of the harp 5 informing the swiveled joint 5. This harp 5 extends upwardly at about anangle of forty-five degrees (45 from the opening 3 and is provided withthe sides 6 thereon for supporting the spindle or axle 7 which passesthrough openings 7' in said sides 6 and has the trolley-wheel 8 looselymounted around the same, while such axle 7 is held in place by means ofthe cotters 8, passing down said sides 6 and axle 7.

Extending up from top 2 of the enlargement or head 2 and on each side ofthe opening 3 in said enlargement are the projections 9, which areprovided with the stop faces or shoulders 9 on each end thereof andformed at an angle to said opening 3, while extending out from and oneach side of the pin 4 on the lower end of said harp 5 are theprojecting front and rear jaws 10, and such jaws are provided with thestop-faces 10 thereon for engaging with the stop-faces 9 on theprojections 9. The jaws 10 are alsoprovided with the curved lowerbearing-faces 10" thereon for engaging with and conforming to theoval-shaped bearing-faces 10*, formed on the top 2 of said enlargementor head 2 around said opening 3 and between the stop-faces 9 on the saidprojections 9 in forming the oval bearing-joint 9. The lower end 4 ofthe pin 4 in forming the swiveled joint 5 extends through the opening 3in the enlargement or head 2, so that it can he held in place withinsaid opening 3 bymeans of a cotter or pin 11, which passes through saidlower end 4c, while a washer 11 is placed around said lower end 4, so asto fit between said cotter 11 and the lower face 3 of said enlargementor head. A bracket 12 extends from the lower face 3 of said enlargementor head 2 to the socket-piece 1, and such bracket is preferably formedas part of said enlargement and socketpiece, so as to fit over the lowerend i of said pin 4. and prevent the trolley-wire 8 from being caught bysaid pin 4 at any time.

When my improved trolley has had its parts assembled and in use with thetrolley-wheel 8 in contact with the wire 8, the opening 3 in theenlargement or head 2 on the socket-piece 1 and carrying the pin 4therein on the harp 5 will be in substantially a perpendicular plane, sothat such harp 5, carrying the said wheel 8, will always remain at aboutan angle of forty-five degrees to said opening 3 and pin 4:, which willallow said wheel 8 to continually follow the wire 8 and prevent suchwheel from jumping off or leaving said wire. In passing around curves insaid wire 8 the pin 4 will turn in said opening 3, so as to allow thetrolley-wheel 8 to conform to the curve in the wire 8, and the curvedfaces 10 and the jaws 10 will travel along the oval-shaped faces 10 onsaid enlargement or head 2 in order to allow the stop-faces 10 on thejaws 10 to strike against the stop-faces 9 on the projections 9. By theengagement of the stop-faces 10 on the jaws 10 with the stop-faces 9 onthe projections 9 the trolley-wheel 8 will beheld in line with the wire8 in all ordinary curves of said wire and in either direction of fromright to left, while the oval bearing-joint 9, formed by thebearing-faces 10 and 10 on the jaws 10 and enlargement 2, respectively,will permit the trolleywheel 8 to work and turn freely and quickly bymeans of the harp 5, with its pin 4: in the socket 3, through alldegrees of the curves in said wire. It will thus be obvious that in theuse of my improved trolley the wheel can be pulled from the wire bymeans of the usual rope quickly and conveniently without any complicatedor projecting parts to interfere with the same, as in the case with theordinary class of these devices, and in case of the transfer of thetrolley from one wire to another the jaws by engaging with the stopsaround the swivel-joint will prevent the harp and wheel from turning toofar, so that the wheel can be easily and quickly adjusted to the otherwire. It will also be seen that the car carrying the trolley can be runbackward without danger of tearing down the feed-wire or guide-wires incase thetrolley should leave the feed-wire by reason of the lack ofexposed or projecting parts to catch onto such wires and by reason ofthe wheel being able to conform and adjust itself to the curves in thefeed-wire, thereby forming an alinement therewith, so that it will beevident that such wire will not strike against the sides of the wheel,which form the trough or groove for such wire, and thereby'causing greatsaving in the wear of said wheel and wire.

Various modifications and changes in the design and construction of thedevice may be resorted to without departing from the spirit of theinvention or sacrificing any of its advantages.

W hat I claim as my invention, and desire to secure, by Letters Patent,is-

1. A trolley comprising a trolley-pole having curved faces on its upperend, a trolleywheel, a harp for carrying said wheel and adapted to beconnectd to said pole by a swiveled joint, vertically-extending stops onsaid pole, and projections on said harp for engaging with said stops tolimit the revolving movement of said harp and wheel by said joint, saidharp-stops having curved faces on their lower ends for engaging with thecurved faces on said pole to form an oval bearing-joint.

2. A trolley comprising a trolley-pole having curved faces on its upperend, a trolleywheel, a harp for carrying said wheel and adapted to beconnected to said pole by a swiveled joint formed at an angle to saidpole, vertically-projecting stops on said pole, and projections on saidharp forengaging with each other to limit the revolving movement of saidwheel and harp by said joint, said harp-stops having curved faces ontheir lower ends for engaging with the curved faces on said pole to forman oval bearing-joint.

3. A trolley comprising a trolley-pole, a socket-piece having a head atthe upper end thereof and curved faces on the top of the same, said headbeing provided with an opening therein and formed at an angle to thepole, a trolley-wheel, a harp for carrying said trolleywheel, a pin onsaid harp and extending down at an angle therefrom for fitting withinsaid opening to form an angular swiveled joint for said wheel and harp,vertically-projecting stops on said head, and projections on pin forengagement with said stops to limit the revolving movement of said harpand wheel by said joint, said harp-stops having curved faces on theirlower ends for engaging with said curved faces on said head to form anoval bearing-joint.

4. A trolley comprising a trolley-pole having an opening in the upperend thereof, a trolley-wheel, a harp for carrying said wheel, a pin onsaid harp extending through said opening to form a swiveled joint, meanson said pole and extending directly in front of said pin to prevent thetrolley-wire from engaging with the lower end of said pin.

5. A trolley comprisinga trolley-pole having an opening formed in theupper end thereof and at an angle to said pole, a trolley-wheel, a harpfor carrying said wheel, a pin on said harp extending through saidopening to form a swiveled joint, and a bracket on said pole forextending directly in front of said pin toprevent the wire from engagingwith the lower end of said pin.

6. A trolley comprising a trolley-pole, a socket-piece having a head atthe upper end thereof provided with an opening therein and formed at anangle to the pole, a trolley-wheel, a harp for carrying said wheel, apin on said harp extending through said opening to form a swiveledjoint, and a bracket on said socketpiece and head for extending directlyin front of the lower end of said pin to prevent the wire from engagingwith thelower end of said pin.

In testimony whereof I, the said OHARLns J. SosnNHeIMnR, have hereuntoset my hand.

CHARLES J. SOSENHEIMER.

Titnesses:

J. N. CooKn, M. A. LEONARD.

